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facteur d'illumination

antenna aperture efficiency

électronique et électrotechnique - iate.europa.eu

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On-the-fly mapping for calibrating directional antennas... In comparison with prior methods used to calibrate such antennas, this method yields an order-of-magnitude improvement in the precision of determinations of antenna aperture efficiency, and improvement by a factor of five or more in the precision of determination of pointing error and beam width....

général - core.ac.uk - PDF: hdl.handle.net

Computational methods and theoretical results for the ka-band array feed compensation system - deformable flat plate experiment at the nasa/jpl 70-meter antenna... The array feed compensation system (AFCS) and the deformable fiat plate (DFP) system were both mounted on the same feed cone and each was used independently as well as jointly to measure and improve the antenna aperture efficiency as a function of elevation angle....

PDF: citeseerx.ist.psu.edu

The 64 meter antenna operation at k sub a band... A modest level of noninterference upgrade work is assumed to achieve reasonable antenna aperture efficiency and alleviate antenna pointing difficulties....

PDF: hdl.handle.net

aerial aperture efficiency

électronique et électrotechnique - iate.europa.eu

antenna efficiency

électronique et électrotechnique - iate.europa.eu

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Radiation efficiency improvement of zeroth-order resonator antenna... The radiation as well as antenna efficiency of very thin profile zeroth-order resonator (ZOR) antenna, implemented in negative phase velocity (NPV) microstrip transmission line (TL) structure, has been...

général - core.ac.uk - PDF: www.radioeng.cz

Declined rectangular slotted microstrip patch antenna for wi-max and s-band application... Return loss, VSWR, antenna efficiency and radiation pattern etc can be evaluated for given design....

PDF: www.ijeat.org

Ban working frequency: a trade-off between antenna efficiency and propagation losses... Friis equation is discussed by taking into account body path loss and antenna efficiency from frequency ranging from 400 MHz to 60 GHz....

PDF: hal.inria.fr

Antenna efficiency =... Furthermore, small antennas use small conductors so it may be that the Ohmic resistance ROhm of the antenna is significant compared it radiation resistance, 1 which lowers the antenna efficiency, defined a

PDF: citeseerx.ist.psu.edu

Usin[g ebg to improve antenna efficiency in proximity to the huiman body... To achieve compact size, several sizes of ERG are included and the individual antenna efficiency and radiation pattern are studied....

PDF: www.4taconic.com

aerial efficiency

électronique et électrotechnique - iate.europa.eu

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Data from: flight reconstruction of two european enantiornithines (aves, pygostylia) and the achievement of bounding flight in early cretaceous birds... Intermittent flight, through either flap-gliding or bounding, is commonly used among small birds as a strategy to optimize aerial efficiency....

général - core.ac.uk - PDF: datacite.org

aperture efficiency

électronique et électrotechnique - iate.europa.eu

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Numerical optimization of the discrete mikaelian lens... The dependence of aperture efficiency on layer thickness t and the number of the petals N was investigated....

général - core.ac.uk - PDF: elib.sfu-kras.ru

Ebg enhanced feeds for the improvement of the aperture efficiency of reflector antennas... The maximization of the reflector aperture efficiency can be obtained by properly tuning the super layers geometrical parameters....

PDF: www.loc.gov

Aperture efficiency of chemically etched horns at 93 ghzThe aperture efficiency of monolithic two-dimensional horn imaging arrays has been optimized at 93 GHz....

PDF: authors.library.caltech.edu

Aperture efficiency improvement using metasurface... A method to improve the aperture efficiency of antennas using a non-uniform metasurface (MS) is studied in this paper....

PDF: hdl.handle.net

Gain and aperture efficiency for a reflector antenna with an array feed... The resulting array efficiency metric reduces to aperture efficiency for an isolated array and to a combination of aperture and spillover efficiency for an array feed....

PDF: citeseerx.ist.psu.edu

Synonymes et termes associés français

rendement de surface

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rendement d'ouverture d'une antenne

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rendement d'ouverture

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rendement d'une antenne

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facteur

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commissionnaire

Exemples français - anglais

facteur

factor

analyse économique / agriculture, sylviculture et pêche / informatique et traitement des données / technologie et réglementation technique / droit / institutions financières et crédit / santé / électronique et électrotechnique / emploi et travail / sciences - iate.europa.eu

factor

sciences naturelles et appliquées - techdico

enabler

industrie mécanique - techdico

[...]

Traductions en contexte français - anglais

Le facteur d'illumination LUX est une unité standardisée pour mesurer la sensibilité d'un appareil face à la lumière.

LUX, the illumination factor, is a standardized unit used to gauge a camera’s sensitivity to light.

général - CCMatrix (Wikipedia + CommonCrawl)

Le facteur d'illumination du discernement précis des phénomènes fait référence, en général, à la sagesse qui discerne précisément les aspects individuels de toutes les choses et événements.

The enlightenment factor of the precise discernment of phenomena(23) refers, in general, to the wisdom that precisely discerns the individual aspects of all things and events.

général - CCMatrix (Wikipedia + CommonCrawl)

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